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ATE181602T1 - INTELLIGENT BLIND SPOT DETECTION SENSOR - Google Patents

INTELLIGENT BLIND SPOT DETECTION SENSOR

Info

Publication number
ATE181602T1
ATE181602T1AT93918705TAT93918705TATE181602T1AT E181602 T1ATE181602 T1AT E181602T1AT 93918705 TAT93918705 TAT 93918705TAT 93918705 TAT93918705 TAT 93918705TAT E181602 T1ATE181602 T1AT E181602T1
Authority
AT
Austria
Prior art keywords
blind spot
vehicle
obstacle
present
obstacles
Prior art date
Application number
AT93918705T
Other languages
German (de)
Inventor
Allan G Pakett
Original Assignee
Vorad Safety Systems Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vorad Safety Systems IncfiledCriticalVorad Safety Systems Inc
Application grantedgrantedCritical
Publication of ATE181602T1publicationCriticalpatent/ATE181602T1/en

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Abstract

A radar system for sensing the presence of obstacles in a vehicle's "blind spots" and generating a signal to the vehicle operator indicative of the presence of such an obstacle. The system uses a common radar transceiver that transmits a radio frequency signal directed at a blind spot of the vehicle. The signal is reflected off any obstacles that are present in that blind spot region. A Doppler shift in the received reflected frequency generally indicates that an obstacle has moved into the blind spot. Doppler frequencies attributable to objects which are of no interest, such as stationary objects, are filtered out. Only obstacles that are traveling at approximately the same speed and direction as the vehicle are considered to be of interest, and will cause the blind spot sensor to generate an indication that an obstacle is present in the blind spot. The indication is preferably an unobtrusive illuminated indicator which is affixed to one of the vehicle's mirrors. In addition to the illuminated indicator affixed to a mirror, an obtrusive audible indicator is provided in the preferred embodiment of the present invention which creates an audible tone, whistle, or buzz when an obstacle is present and the vehicle's turn signal is active.
AT93918705T1992-08-141993-08-09 INTELLIGENT BLIND SPOT DETECTION SENSORATE181602T1 (en)

Applications Claiming Priority (1)

Application NumberPriority DateFiling DateTitle
US93007992A1992-08-141992-08-14

Publications (1)

Publication NumberPublication Date
ATE181602T1true ATE181602T1 (en)1999-07-15

Family

ID=25458900

Family Applications (1)

Application NumberTitlePriority DateFiling Date
AT93918705TATE181602T1 (en)1992-08-141993-08-09 INTELLIGENT BLIND SPOT DETECTION SENSOR

Country Status (10)

CountryLink
US (1)US5325096A (en)
EP (1)EP0655142B1 (en)
JP (1)JPH06168398A (en)
KR (1)KR100254143B1 (en)
AT (1)ATE181602T1 (en)
AU (1)AU672997B2 (en)
BR (1)BR9306886A (en)
CA (1)CA2141547C (en)
DE (1)DE69325455T2 (en)
WO (1)WO1994004941A1 (en)

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AU4805693A (en)1994-03-15
KR100254143B1 (en)2000-04-15
DE69325455T2 (en)2000-03-30
CA2141547A1 (en)1994-03-03
EP0655142A4 (en)1995-12-20
BR9306886A (en)1998-12-08
AU672997B2 (en)1996-10-24
EP0655142A1 (en)1995-05-31
CA2141547C (en)1997-06-17
KR950703158A (en)1995-08-23
WO1994004941A1 (en)1994-03-03
JPH06168398A (en)1994-06-14
EP0655142B1 (en)1999-06-23
US5325096A (en)1994-06-28
DE69325455D1 (en)1999-07-29

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